Recent bug in RedCloth 4.1.9

Ruby Apps Redcloth
1

Could someone confirm this bug?

RedCloth.new(“!/image_r.jpg(description)!:image.jpg”).to_html

description

That is correct.

Then we just add an “a” (or anything else) to the end of the string:

RedCloth.new(“!/image_r.jpg(description)!:image.jpg a”).to_html

Incorrect result (link is missed):

description a

It only happens when “(description)” is present.
Maybe RedCloth should include this case on test suite.

Tested on last stable version (4.1.9).

The problem doesn’t exist on 4.1.1.

P.S: a curiosity: why 4.1.9 follows 4.1.1, instead of 4.1.2?

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2

Rodrigo, thanks for reporting the bug. I’ve made a ticket for it at
http://jgarber.lighthouseapp.com/projects/13054-redcloth/tickets/141-image-link-not-recognized-with-alt-text
If you want to follow the status, sign in to Lighthouse.

BTW, 4.1.9 followed 4.1.1 because I was trying to be cute. RedCloth
4.1.9 was the first release to be compatible with Ruby 1.9. Get it?
In the end, though, it was a mistake. I’ve wanted to release another
4.1.x but I don’t want to do 4.1.10 because then you can’t compare
version numbers as strings. Not to mention the fact that it’s just
plain confusing So, expect the next version to be 4.2.0.

3

On Wed, 8 Apr 2009, Jason G. wrote:

BTW, 4.1.9 followed 4.1.1 because I was trying to be cute. RedCloth 4.1.9 was
the first release to be compatible with Ruby 1.9. Get it? In the end,
though, it was a mistake. I’ve wanted to release another 4.1.x but I don’t
want to do 4.1.10 because then you can’t compare version numbers as strings.

Are we going to be stuck with this idea forever? We ran into this
when the successor to Ruby 1.8 could not be Ruby 1.10, breaking the
odd/even as unstable/stable releases pattern. Version numbers are
not strings, but even if they are (a) they should be parsed (Is
Debian version “Woody”.to_i.zero? ?), and (b):

http://rubyforge.org/projects/natcmp/

Try searching for “natural order string comparison”.

I really think that Ruby needs a native class for versions.
That way it would not be a subclass of String.
I should have used Comparable for this, written about 7 months into
using Ruby:

http://www.cse.dmu.ac.uk/~hgs/ruby/revision.rb

My point being this is not something doable by only the advanced
programmer, even if this effort could do with improvement.

The other reason Ruby didn’t have 1.10 as a stable release was C code
checking based on single bytes per {major, minor, teeny} (or whatever
you call the third one).

Do you have any evidence for people comparing these (Redcloth)
version numbers as if they were strings? If nobody does, then why
worry about it? The clue is in the nomenclature: “version numbers”.

Not to mention the fact that it’s just plain confusing So, expect the next

I don’t see that as confusing: it’s one of those things that is already
tradition in this field less than 100 years old.

version to be 4.2.0.

    Hugh
4

Thanks for the feedback. I picked up on the whole comparing version
numbers as strings from here: How to do conditional compile for Ruby 1.9 in a C extension? - Ruby - Ruby-Forum
Right or wrong, being able to compare Ruby version numbers as strings
was enormously helpful in that circumstance. I wish they would build
version comparison directly into Ruby too!

I have no evidence that people are comparing RedCloth version numbers
as strings—and they probably aren’t—so it’s probably no big deal if I
would make a 4.1.10. There was a 2.0.10 before, so there you go.

Not that I have time right now to do anything that would deserve a new
version. :frowning: Wish I did because I really enjoy hacking on RedCloth!

Jason

5

Jason G. escreveu:

…
Not that I have time right now to do anything that would deserve a new
version. :frowning: Wish I did because I really enjoy hacking on RedCloth!
You could find out what broke RedCloth, regarding this bug, for instance
:wink: I don’t know what version control system you are using but, on git,
there is the “git blame” that could give you a hint of what broke
RedCloth in 4.1.9 that was not present in 4.1.1. Fixing this but on
4.1.10 would be enough for a new version :slight_smile:

Best Regards,

Rodrigo.

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